un·​der·​di·​ag·​nose | \ ˌən-dər-ˈdī-ig-ˌnōs How to pronounce underdiagnose (audio) , -ˌnōz; -ˌdī-ig-ˈnōs, -ˈnōz, -əg- \
underdiagnosed; underdiagnosing; underdiagnoses

Definition of underdiagnose

transitive verb

: to diagnose (a condition or disease) less often than it is actually present

Other Words from underdiagnose

underdiagnosis \ ˌən-​dər-​ˌdī-​ig-​ˈnō-​səs How to pronounce underdiagnosis (audio) , -​əg-​ How to pronounce underdiagnosis (audio) \ noun

First Known Use of underdiagnose

1974, in the meaning defined above

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Time Traveler for underdiagnose

Time Traveler

The first known use of underdiagnose was in 1974

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Cite this Entry

“Underdiagnose.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/underdiagnose?pronunciation&lang=en_us&dir=u&file=under01m. Accessed 10 December 2019.

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More Definitions for underdiagnose


transitive verb
un·​der·​di·​ag·​nose | \ -ˈdī-ig-ˌnōs, -ˌnōz; -ˌdī-ig-ˈ, -əg- How to pronounce underdiagnose (audio) \
underdiagnosed; underdiagnosing

Medical Definition of underdiagnose

: to diagnose (a condition or disease) less often than it is actually present Army neurologists fear that severe brain injuries are being underdiagnosed— Ronald F. Glasser, Harper's, July 2005 … the negative effects of underdiagnosing and undertreating pain … — Ellen Jan Kleinerman, The Plain Dealer (Cleveland, Ohio), 24 Jan. 2012

Comments on underdiagnose

What made you want to look up underdiagnose? Please tell us where you read or heard it (including the quote, if possible).


to state or do over again or repeatedly

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